通过websocket接收文件并启动下载对话框 [英] receive file via websocket and initiate download dialog

问题描述

我的HTML5网络应用程序通过websocket接收文件作为二进制数据。有没有办法启动文件下载对话框（通过javascript）将接收的数据保存到用户磁盘？

谢谢！

解决方案

您需要构建一个dataUri并打开一个新的窗口。具体的mimetype可以触发浏览器的自动保存为对话框。

示例数据uri：data：application / octet-stream，base64+ base64binary

my HTML5 web application receives a file as binary data via a websocket. Is there any way to initiate a file download dialog (via javascript) to save the received data to the users disk?

Thank you!

解决方案

You need to build a dataUri and open a new window with this. Specific mimetypes can trigger the browser's automatic save as dialog.

Example data uri: "data:application/octet-stream,base64" + base64binary

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